55206280

素因数分解:

$2^3\times 5^1\times {\mathrm{1380157}}^1$

素因数の和:1380168

約数の個数: 16

約数和(自身を含む): 124214220

約数和(自身を除く): 69007940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1380157, 2760314, 5520628, 6900785, 11041256, 13801570, 27603140, 55206280]

約数ペア:

[(1, 55206280), (2, 27603140), (4, 13801570), (5, 11041256), (8, 6900785), (10, 5520628), (20, 2760314), (40, 1380157)]